Home / 26,289,254.76-39,398,634-20,460,480.72

Finding the Fourth Proportional to 26,289,254.76, 39,398,634 and 20,460,480.72

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Solution

The fourth proportional to 26,289,254.76, 39,398,634 and 20,460,480.72 is: 30,663,288.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,289,254.76 : 39,398,634 = 20,460,480.72 : x
  2. Step 2: Convert to fraction form
    26,289,254.76/39,398,634 = 20,460,480.72/x
  3. Step 3: Cross multiply
    26,289,254.76x = 39,398,634 × 20,460,480.72
  4. Step 4: Simplify right side
    26,289,254.76x = 806,114,991,351,336.38
  5. Step 5: Solve for x
    x = 806,114,991,351,336.38/26,289,254.76
  6. Step 6: Final answer
    x = 30,663,288.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.